They can also be divided into two types in terms of their relationship with the human society, namely, remote type and close type.
根据与人类社会交互关系的紧密程度划分为偏远型和紧密型的两种需求类型。
They can also be divided into two types in terms of their relationship with the human society, namely, remote type and close type.
根据与人类社会交互关系的紧密程度划分为偏远型和紧密型的两种需求类型。
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